Marble glue is a single component glue made of epoxy resin or unsaturated polyester resin, which is used for bonding or repairing between various stone materials. AB adhesive is a two-component adhesive name, one component is a resin, the other is a curing agent, mainly epoxy modified acrylic adhesive or epoxy adhesive.
Structural adhesive refers to the adhesive that can withstand a certain stress after bonding. AB adhesive is generally structural adhesive, but not always.